1780203180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4238579}}^1$

素因数の和:4238598

約数の個数: 48

約数和(自身を含む): 5696651520

約数和(自身を除く): 3916448340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4238579, 8477158, 12715737, 16954316, 21192895, 25431474, 29670053, 42385790, 50862948, 59340106, 63578685, 84771580, 89010159, 118680212, 127157370, 148350265, 178020318, 254314740, 296700530, 356040636, 445050795, 593401060, 890101590, 1780203180]

約数ペア:

[(1, 1780203180), (2, 890101590), (3, 593401060), (4, 445050795), (5, 356040636), (6, 296700530), (7, 254314740), (10, 178020318), (12, 148350265), (14, 127157370), (15, 118680212), (20, 89010159), (21, 84771580), (28, 63578685), (30, 59340106), (35, 50862948), (42, 42385790), (60, 29670053), (70, 25431474), (84, 21192895), (105, 16954316), (140, 12715737), (210, 8477158), (420, 4238579)]